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Circadin 2mg Prolonged Release Tablet

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Understanding Circadin: What It Is and How It Works

How Circadin Supports Sleep

Circadin is a prescription medicine that contains melatonin, a natural hormone that helps control your sleep cycle. It is mainly used to treat insomnia by helping you fall asleep faster, sleep more soundly, and wake up refreshed, especially in adults aged 55 and older.

  • Contains melatonin, which signals your body to prepare for sleep.
  • Helps you fall asleep quicker and stay asleep longer.
  • Is formulated as a slow-release tablet that mimics your body’s natural melatonin production.
  • Keeps a steady level of melatonin throughout the night for better sleep quality.

Who Can Benefit from Circadin?

Circadin is generally prescribed for:

  • Adults over 55 who have trouble falling asleep.
  • Individuals experiencing short-term insomnia from irregular sleep patterns.
  • People dealing with jet lag or inconsistent sleep schedules who need help adjusting.

How to Use Circadin

  • Take one tablet daily, about 1 to 2 hours before bedtime.
  • Swallow the tablet whole with water; do not crush or chew it.
  • Follow your doctor’s guidance, as Circadin is usually recommended for short-term use.

Order Circadin Online

  • Complete our easy online consultation form.
  • Once approved, you can purchase your Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast and discreet delivery right to your door.

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Overview

Active ingredients

What is it for?

How does it work?

How do you use it?

Warnings and precautions

Side effects

Drug interactions

FAQs

Download patent leaflet

Written By
Shazlee Ahsan
BSc Pharmacy, Independent Prescriber, PgDip Endocrinology, MSc Endocrinology, PgDip Infectious Diseases

Superintendant Pharmacist, Independent Prescriber


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What is Circadin?

Circadin is a prescription medicine that contains melatonin, a hormone your body makes naturally to control the sleep-wake cycle. Melatonin signals when it’s time to sleep, helping you maintain a regular and healthy sleep pattern.

How Circadin Aids Your Sleep

  • Contains melatonin to help manage your natural sleep cycle.
  • Assists in falling asleep more quickly and improving sleep quality.
  • Is made as a prolonged-release tablet, offering a steady flow of melatonin throughout the night.

Who Should Use Circadin?

Circadin is usually recommended for:

  • Adults aged 55 and above who have difficulty starting or maintaining sleep.
  • People facing short-term sleep issues or irregular sleep patterns.
  • Individuals needing temporary sleep support due to changing schedules or jet lag.

Where to Buy Circadin Online

  • Complete our simple online consultation form.
  • Once approved, you can order your Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery right to your door.

What Is the Active Ingredient in Circadin?

Active Ingredient Information

Circadin's key ingredient is melatonin, a natural hormone that regulates your sleep-wake cycle.

Melatonin Dosage and Release Mechanism

  • Each prolonged-release tablet provides 2mg of melatonin.
  • The slow-release design delivers a steady amount of melatonin throughout the night, helping to improve sleep onset and overall sleep quality.

Where to Buy Circadin Online

  • Complete our simple online consultation form.
  • Once approved, you can purchase your Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast and discreet delivery straight to your door.

What is Circadin Used For?

Circadin is a prescription medication designed to manage short-term insomnia in adults aged 55 and above. It works by delivering melatonin, a natural hormone that regulates your sleep-wake cycle.

How Does Circadin Improve Sleep?

  • Formulated to address primary insomnia, meaning sleep issues that are not linked to other medical, psychological, or environmental conditions.
  • Helps you fall asleep more quickly by improving sleep onset.
  • Enhances overall sleep quality and duration, resulting in more refreshing nights.
  • Uses a prolonged-release formula that steadily releases melatonin throughout the night.

Who Can Use Circadin?

  • Adults aged 55 and older who have ongoing trouble falling or staying asleep.
  • Individuals whose poor sleep quality affects their daily life.
  • Those seeking short-term sleep support to stabilize their sleep patterns.

Where to Purchase Circadin Online

  • Complete our quick online consultation form.
  • Once approved, you can order Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery right to your door.

How Does Circadin Work?

Circadin contains melatonin, a natural hormone produced by your brain's pineal gland that manages your sleep-wake cycle. It signals your body when it’s time to sleep and when to wake up.

How Circadin Aids Sleep

  • Releases melatonin gradually, similar to your body’s own nighttime production.
  • Sends a clear signal to your brain that it’s time to rest.
  • Helps you fall asleep faster, remain asleep longer, and enjoy higher quality sleep.
  • Is particularly useful for those aged 55 and older, who may have lower melatonin levels.

Why Use Circadin for Insomnia?

For people with primary insomnia, melatonin levels might be too low or released at an off schedule. Circadin restores a natural sleep pattern, making your sleep more refreshing and restorative.

Where to Buy Circadin Online

  • Complete our quick online consultation form.
  • Once approved, you can purchase Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery straight to your door.

How Do You Use Circadin?

Circadin must be taken exactly as prescribed by your doctor or pharmacist. If you are unsure about its use, please consult a healthcare professional.

Recommended Dosage

  • Take one Circadin tablet (2mg) per day.
  • Swallow the tablet whole with water; do not crush or split it.
  • Take it 1 to 2 hours before bedtime, after eating.
  • Follow your doctor’s advice, as treatment may continue for up to 13 weeks.

If You Take More Than Prescribed

  • Contact your doctor or pharmacist immediately if you accidentally take an extra dose.
  • An overdose may cause excessive drowsiness.

If You Miss a Dose

  • If you miss a dose and it is still before bedtime, take it as soon as you remember.
  • If it is close to your next scheduled dose, skip the missed dose; do not double up.

If You Stop Taking Circadin

  • There are no withdrawal symptoms or harmful effects if you stop early.
  • Circadin is not habit-forming, so you can stop when your doctor advises.

Have Questions About Circadin?

  • If you need more information about using Circadin, speak with your doctor or pharmacist.

Where to Buy Circadin Online

  • Complete our simple online consultation form.
  • Once approved, you can purchase Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery right to your door.

Who Should Not Use Circadin?

Before taking Circadin, it is vital to ensure that it is safe for you. Always review the patient information leaflet and consult your doctor or pharmacist if you have any concerns.

When Circadin is Not Recommended

  • Do not use Circadin if you are allergic to melatonin or any of its ingredients.
  • Do not take it if your doctor has advised that it is unsuitable for your condition.

Important Warnings and Precautions

Speak with your doctor or pharmacist before using Circadin if:

  • You have liver or kidney problems, as the medication has not been extensively studied in these conditions. Use it only if your doctor approves.
  • You have an intolerance to certain sugars. Discuss any concerns with a healthcare professional.
  • You have an autoimmune disease, since Circadin has not been well-tested in such cases. Only use it if advised by your doctor.
  • You experience drowsiness, which may affect your ability to drive or operate machinery.
  • You smoke, as tobacco use may reduce Circadin’s effectiveness by speeding up the breakdown of melatonin in the liver.

Children and Adolescents

  • Circadin is not recommended for children or adolescents under 18 years.
  • Some melatonin-based medicines may be suitable for children aged 2 to 18, but only under a doctor’s guidance.

Other Medications and Circadin

Before starting Circadin, inform your doctor or pharmacist if you are currently taking or have recently taken:

  • Antidepressants and other mental health medications such as fluvoxamine, thioridazine, or imipramine.
  • Antibiotics like quinolones and rifampicin.
  • Hormone treatments, including estrogens in contraceptives or hormone replacement therapy.
  • Epilepsy medications such as carbamazepine.
  • Blood pressure or nasal decongestants (adrenergic agonists/antagonists).
  • Pain relievers like nonsteroidal anti-inflammatory drugs (NSAIDs).
  • Opiate medications used for addiction treatment.
  • Sleep medications such as benzodiazepines and non-benzodiazepine hypnotics like zaleplon, zolpidem, and zopiclone.

Food, Drink, and Alcohol Guidelines

  • Take Circadin after meals for the best results.
  • Avoid alcohol before, during, and after taking Circadin, as it may reduce the medication’s effectiveness.

Pregnancy and Breastfeeding Advice

  • Do not take Circadin if you are pregnant, trying to conceive, or breastfeeding.
  • If you are unsure, consult your doctor or pharmacist before using this medication.

Driving and Operating Machinery

  • Circadin may cause drowsiness.
  • If you feel sleepy after taking it, avoid driving or operating heavy machinery.
  • If drowsiness persists, consult your doctor for further advice.

Lactose Intolerance Information

  • Circadin contains lactose monohydrate.
  • If you have lactose intolerance, please speak with your doctor before using this medication.

Where to Buy Circadin Online

  • Complete our quick online consultation form.
  • Once approved, you can purchase Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery straight to your door.

What Are the Side Effects of Circadin?

Circadin, like any medicine, can cause side effects, though not everyone will experience them. Most effects are mild and temporary, but if you notice any serious reactions, stop taking it and contact your doctor immediately.

Uncommon Side Effects (Affect up to 1 in 100 People)

  • Chest pain

Rare Side Effects (Affect up to 1 in 1,000 People)

  • Loss of consciousness or fainting
  • Severe chest pain from angina
  • Palpitations (feeling your heartbeat)
  • Depression
  • Blurred vision or other visual disturbances
  • Disorientation
  • Vertigo (a dizzy, spinning sensation)
  • Red blood cells in the urine
  • Low white blood cell count
  • Reduced platelets, which may increase bruising or bleeding
  • Psoriasis

Other Side Effects – Seek Medical Advice if They Occur

Uncommon Side Effects (Affect up to 1 in 100 People)

  • Mood changes, such as irritability, nervousness, anxiety, unusual dreams, or nightmares
  • Migraines, headaches, dizziness, fatigue, and difficulty sleeping
  • High blood pressure
  • Stomach discomfort, including upper abdominal pain, indigestion, dry mouth, nausea, or mouth ulcers
  • Skin problems like rash, dry skin, itching, night sweats, or skin inflammation
  • Joint and muscle pain in the hands, feet, or other areas
  • Changes in blood composition that might cause yellowing of the skin or eyes (a sign of liver issues)
  • Weight gain and menopausal symptoms

Rare Side Effects (Affect up to 1 in 1,000 People)

  • Infections such as shingles
  • Changes in blood levels, including high blood fats, low calcium, or low sodium levels
  • Mood and mental health changes, such as aggression, agitation, crying, increased stress, a higher sex drive, or early morning awakening
  • Memory problems and difficulty concentrating
  • Restless legs syndrome or a "pins and needles" sensation
  • Watery eyes and dizziness when changing positions
  • Hot flushes and acid reflux
  • Digestive issues like stomach upset, vomiting, excess saliva, gas, bad breath, and abnormal bowel sounds
  • Skin conditions such as eczema, hand dermatitis, itchy rash, or nail problems
  • Muscle and joint issues like arthritis, neck pain, muscle spasms, or night cramps
  • Men’s health concerns, including prolonged or painful erections and prostate inflammation
  • General discomfort such as fatigue, pain, excessive thirst, frequent urination, or nighttime urination
  • Changes in blood test results, including increased liver enzymes or abnormal electrolyte levels

Side Effects with Unknown Frequency

  • Allergic reactions, such as swelling of the mouth, tongue, or skin
  • Unusual milk secretion

Reporting Side Effects

If you experience any side effects, talk to your doctor or pharmacist. To report any side effects not mentioned here, you can use the Yellow Card Scheme:

Where to Buy Circadin Online

  • Complete our quick online consultation form.
  • Once approved, you can purchase Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery straight to your door.

Does Circadin Interact with Other Medicines?

Before starting Circadin, it is important to inform your doctor or pharmacist about any medications you are currently taking, have recently taken, or might take in the future. Some drugs may reduce Circadin’s effectiveness or increase the risk of side effects.

Medicines That May Affect Circadin

  • Mental Health Medications
    • Fluvoxamine – used to treat depression and OCD.
    • Thioridazine – prescribed for schizophrenia.
    • Imipramine – used for depression.
  • Skin and Digestive Treatments
    • Psoralens – used for skin conditions like psoriasis.
    • Cimetidine – treats stomach ulcers and acid reflux.
  • Antibiotics and Infection Drugs
    • Quinolones – a type of antibiotic for bacterial infections.
    • Rifampicin – commonly used for tuberculosis and other infections.
  • Hormonal Therapies
    • Estrogens – found in contraceptives and hormone replacement therapy.
  • Epilepsy and Neurological Medications
    • Carbamazepine – used for epilepsy and nerve pain.
  • Blood Pressure and Heart Medications
    • Adrenergic agonists/antagonists – used to control blood pressure and found in some nasal decongestants.
    • Blood pressure-lowering drugs – may increase drowsiness when taken with Circadin.
  • Pain Relievers and Anti-Inflammatory Drugs
    • Prostaglandin inhibitors – includes NSAIDs such as ibuprofen, which might interfere with Circadin’s action.
  • Substances Affecting Sleep and Mood
    • Opiate agonists/antagonists – used in addiction treatment.
    • Antidepressants – can interact with Circadin and alter sleep patterns.
    • Tryptophan – a supplement that influences serotonin levels and sleep.
    • Alcohol – may reduce the effectiveness of Circadin and increase drowsiness.
  • Sleep Disorder Medications
    • Benzodiazepines and non-benzodiazepine hypnotics – includes sleep aids like zaleplon, zolpidem, and zopiclone, which may increase drowsiness when used with Circadin.

Consult Your Doctor

If you are taking any of the medications listed above, speak to your doctor or pharmacist before using Circadin to ensure it is safe for you.

Where to Buy Circadin Online

  • Complete our quick online consultation form.
  • Once approved, you can purchase Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery straight to your door.

Circadin FAQs

What Is Circadin?

Circadin is a prescription medication that contains melatonin, a hormone naturally produced by the body to control the sleep-wake cycle. It is mainly used to treat insomnia in adults aged 55 and older.

How Does Circadin Work?

  • It supplies melatonin, which signals your brain that it’s time to sleep.
  • It helps you fall asleep faster, improves the quality of your sleep, and increases the overall duration of sleep.
  • It is especially helpful for people with low natural melatonin levels.

Who Can Take Circadin?

Circadin is typically prescribed for adults aged 55 and older who experience primary insomnia. Primary insomnia refers to difficulties in falling or staying asleep without any underlying medical, psychological, or environmental cause.

How Should Circadin Be Taken?

  • Take one 2mg tablet each day, 1 to 2 hours before bedtime after a meal.
  • Swallow the tablet whole without crushing or splitting it.

Can Circadin Be Used Long-Term?

Circadin is generally recommended for short-term use, usually up to 13 weeks. If your sleep problems continue after this period, consult your doctor or pharmacist.

Are There Any Side Effects of Taking Circadin?

Most people tolerate Circadin well. However, some may experience side effects:

  • Common side effects include drowsiness, headaches, and dizziness.
  • Less common but serious side effects may include chest pain, vision disturbances, and low blood pressure. If you experience any severe side effects, stop taking Circadin immediately and contact your doctor.

Can Circadin Be Taken with Other Medications?

Circadin may interact with other drugs such as antidepressants, blood pressure medications, and certain antibiotics. Always inform your doctor about any medications you are taking before starting Circadin.

Can I Drink Alcohol While Taking Circadin?

Avoid alcohol while taking Circadin, as it can reduce its effectiveness and increase side effects like drowsiness.

What Should I Do If I Miss a Dose?

  • If you miss a dose, take it as soon as you remember if it is still early in the evening.
  • If it is close to your next scheduled dose, skip the missed dose and do not take a double dose.

Is Circadin Suitable for Children or Adolescents?

Circadin is not recommended for individuals under 18 years old because its safety and effectiveness have not been fully established for this age group.

Where to Buy Circadin Online

  • Complete our quick online consultation form.
  • Once approved, purchase Circadin directly from courierpharmacy.co.uk.
  • Enjoy fast, discreet delivery straight to your door.

Download patient leaflet

https://www.medicines.org.uk/emc/files/pil.2809.pdf

No profile picture available.
Checked By
No author selected.
No qualification available.
No user selected.
Written By
Shazlee Ahsan
BSc Pharmacy, Independent Prescriber, PgDip Endocrinology, MSc Endocrinology, PgDip Infectious Diseases

Superintendant Pharmacist, Independent Prescriber


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